soubrette

noun

1. in a play, light opera, etc., the role of a lady's maid, esp. one involved in intrigue, or of any pretty, flirtatious, or frivolous young woman
2. an actress who plays such roles

Etymology: Fr < Prov soubreto < soubret, affected, sly < soubra, to put aside, exceed < L superare, to be above: see super-